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157 lines
4.7 KiB
157 lines
4.7 KiB
/**
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******************************************************************************
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* File Name : ADC.c
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* Description : This file provides code for the configuration
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* of the ADC instances.
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******************************************************************************
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*
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* COPYRIGHT(c) 2016 STMicroelectronics
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*
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* Redistribution and use in source and binary forms, with or without modification,
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* are permitted provided that the following conditions are met:
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* 1. Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* 3. Neither the name of STMicroelectronics nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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******************************************************************************
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*/
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/* Includes ------------------------------------------------------------------*/
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#include "adc.h"
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#include "gpio.h"
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#include "dma.h"
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/* USER CODE BEGIN 0 */
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/* USER CODE END 0 */
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ADC_HandleTypeDef hadc1;
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DMA_HandleTypeDef hdma_adc1;
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/* ADC1 init function */
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void MX_ADC1_Init(void)
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{
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ADC_ChannelConfTypeDef sConfig;
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/**Common config
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*/
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hadc1.Instance = ADC1;
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hadc1.Init.ScanConvMode = ADC_SCAN_DISABLE;
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hadc1.Init.ContinuousConvMode = DISABLE;
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hadc1.Init.DiscontinuousConvMode = DISABLE;
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hadc1.Init.ExternalTrigConv = ADC_EXTERNALTRIGCONV_T3_TRGO;
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hadc1.Init.DataAlign = ADC_DATAALIGN_RIGHT;
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hadc1.Init.NbrOfConversion = 1;
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if (HAL_ADC_Init(&hadc1) != HAL_OK)
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{
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Error_Handler();
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}
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/**Configure Regular Channel
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*/
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sConfig.Channel = ADC_CHANNEL_9;
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sConfig.Rank = 1;
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sConfig.SamplingTime = ADC_SAMPLETIME_7CYCLES_5;
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if (HAL_ADC_ConfigChannel(&hadc1, &sConfig) != HAL_OK)
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{
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Error_Handler();
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}
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}
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void HAL_ADC_MspInit(ADC_HandleTypeDef* adcHandle)
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{
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GPIO_InitTypeDef GPIO_InitStruct;
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if(adcHandle->Instance==ADC1)
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{
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/* USER CODE BEGIN ADC1_MspInit 0 */
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/* USER CODE END ADC1_MspInit 0 */
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/* Peripheral clock enable */
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__HAL_RCC_ADC1_CLK_ENABLE();
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/**ADC1 GPIO Configuration
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PB1 ------> ADC1_IN9
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*/
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GPIO_InitStruct.Pin = AUDIO_IN_Pin;
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GPIO_InitStruct.Mode = GPIO_MODE_ANALOG;
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HAL_GPIO_Init(AUDIO_IN_GPIO_Port, &GPIO_InitStruct);
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/* Peripheral DMA init*/
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hdma_adc1.Instance = DMA1_Channel1;
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hdma_adc1.Init.Direction = DMA_PERIPH_TO_MEMORY;
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hdma_adc1.Init.PeriphInc = DMA_PINC_DISABLE;
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hdma_adc1.Init.MemInc = DMA_MINC_ENABLE;
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hdma_adc1.Init.PeriphDataAlignment = DMA_PDATAALIGN_WORD;
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hdma_adc1.Init.MemDataAlignment = DMA_MDATAALIGN_WORD;
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hdma_adc1.Init.Mode = DMA_NORMAL;
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hdma_adc1.Init.Priority = DMA_PRIORITY_MEDIUM;
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if (HAL_DMA_Init(&hdma_adc1) != HAL_OK)
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{
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Error_Handler();
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}
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__HAL_LINKDMA(adcHandle,DMA_Handle,hdma_adc1);
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/* USER CODE BEGIN ADC1_MspInit 1 */
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/* USER CODE END ADC1_MspInit 1 */
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}
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}
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void HAL_ADC_MspDeInit(ADC_HandleTypeDef* adcHandle)
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{
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if(adcHandle->Instance==ADC1)
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{
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/* USER CODE BEGIN ADC1_MspDeInit 0 */
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/* USER CODE END ADC1_MspDeInit 0 */
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/* Peripheral clock disable */
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__HAL_RCC_ADC1_CLK_DISABLE();
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/**ADC1 GPIO Configuration
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PB1 ------> ADC1_IN9
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*/
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HAL_GPIO_DeInit(AUDIO_IN_GPIO_Port, AUDIO_IN_Pin);
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/* Peripheral DMA DeInit*/
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HAL_DMA_DeInit(adcHandle->DMA_Handle);
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}
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/* USER CODE BEGIN ADC1_MspDeInit 1 */
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/* USER CODE END ADC1_MspDeInit 1 */
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}
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/* USER CODE BEGIN 1 */
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/* USER CODE END 1 */
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/**
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* @}
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*/
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/**
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* @}
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*/
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/************************ (C) COPYRIGHT STMicroelectronics *****END OF FILE****/
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